Home / 15,530,562.56-21,432,248.10-9,008,053.76

Finding the Fourth Proportional to 15,530,562.56, 21,432,248.10 and 9,008,053.76

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Solution

The fourth proportional to 15,530,562.56, 21,432,248.10 and 9,008,053.76 is: 12,431,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530,562.56 : 21,432,248.10 = 9,008,053.76 : x
  2. Step 2: Convert to fraction form
    15,530,562.56/21,432,248.10 = 9,008,053.76/x
  3. Step 3: Cross multiply
    15,530,562.56x = 21,432,248.10 × 9,008,053.76
  4. Step 4: Simplify right side
    15,530,562.56x = 193,062,843,082,457.88
  5. Step 5: Solve for x
    x = 193,062,843,082,457.88/15,530,562.56
  6. Step 6: Final answer
    x = 12,431,155.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.